Heaters / Indirect Air Heaters

VariMax™ OTH (Once-Through Heater)

VariMax™ OTH (Once-Through Heater)

The VariMax™ OTH (Once-Through Heater) is a high efficiency, industrial, indirect-fired gas heater used to heat process air streams without contaminating the air with the products of combustion. The OTH is well-suited for recirculating ovens, dryers, makeup-air applications in cold environments, and industrial processes with moderate temperature rises.